Porphyrin Systems Hombrecher

Porphyrin Systems is a specialized German biotechnology and chemical company focused on the synthesis and distribution of porphyrins, phthalocyanines, and related macrocyclic compounds. Founded by Prof. Dr. Hanno K. Hombrecher, the company provides high-purity building blocks and custom synthesis services for research in photodynamic therapy (PDT), catalysis, and materials science. Their product catalog includes a wide range of functionalized porphyrins used as photosensitizers in medical, diagnostic, and industrial applications. The company serves both academic institutions and industrial partners globally from its headquarters in Appen, Germany.